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Finding the Third Proportional to 8,307 and 11,191

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Solution

The third proportional to 8,307 and 11,191 is: 15,076.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,307 : 11,191 = 11,191 : x
  2. Step 2: Convert to fraction form
    8,307/11,191 = 11,191/x
  3. Step 3: Cross multiply
    8,307x = 11,191 × 11,191
  4. Step 4: Simplify right side
    8,307x = 125,238,481
  5. Step 5: Solve for x
    x = 125,238,481/8,307
  6. Step 6: Final answer
    x = 15,076.26

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.